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  • Comp Cams Steel Valve Locks (LS1 / LS2 / LS6 engines) - Modern Automotive Performance
  • Comp Cams Steel Valve Locks (LS1 / LS2 / LS6 engines)

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    Comp Cams

    Comp Cams Steel Valve Locks

    PART# COM2 623-16
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    Email - sales@maperformance.com
    Phone 1(888)627-3736



    $ 32.81   $ 40.51
    You Save 19% ($ 7.70)

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    Most people believe that the tang inside a valve lock is what actually holds the valve spring retainer and spring in place while the engine is running. This is not the case. The cross-section of material in the tang is not strong enough to withstand today's open spring loads of 1000 pounds or more! The sole purpose of the tang is to temporarily locate the lock, retainer, and spring relative to the valve until the taper of the retainer can nest around the outside surface of the lock. This creates a "collet" effect that binds the two together. The more spring force exerted on the retainer (as the valve opens), the more force applied by the "collet" effect to keep the retainer and lock in place.

    With the emergence of valve sizes other than the standard 5/16", 11/32", and 3/8", it is important to make sure the valve locks match the valve size. There are a couple of small items to check to see if you have the proper size valve locks for your valves. There should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem. If the two halves butt up against each other without a gap, the valve locks are for a bigger size stem. If the locks fit tight to the stem and leave a gap between the middle of the lock and the O.D. of the stem, the locks are too small for your valves. All locks should be checked prior to final installation to make sure that they are the correct size. With such small parts, the possibility always exists for mixed or mis-boxed parts.

    COMP Cams?? offers a complete line of stock replacement 7?? valve locks for stock engine rebuilds. Recommended only for street applications with light valve spring loads. These locks are stamped and hardened for superior wear resistance. Also available now are machine 7?? locks for some applications. They offer the same valve spring location accuracy as our Super Locks??? without the need to change to 10?? retainers.

    Most people believe that the tang inside a valve lock is what actually holds the valve spring retainer and spring in place while the engine is running. This is not the case. The cross-section of material in the tang is not strong enough to withstand today's open spring loads of 1000 pounds or more! The sole purpose of the tang is to temporarily locate the lock, retainer, and spring relative to the valve until the taper of the retainer can nest around the outside surface of the lock. This creates a "collet" effect that binds the two together. The more spring force exerted on the retainer (as the valve opens), the more force applied by the "collet" effect to keep the retainer and lock in place.

    With the emergence of valve sizes other than the standard 5/16", 11/32", and 3/8", it is important to make sure the valve locks match the valve size. There are a couple of small items to check to see if you have the proper size valve locks for your valves. There should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem. If the two halves butt up against each other without a gap, the valve locks are for a bigger size stem. If the locks fit tight to the stem and leave a gap between the middle of the lock and the O.D. of the stem, the locks are too small for your valves. All locks should be checked prior to final installation to make sure that they are the correct size. With such small parts, the possibility always exists for mixed or mis-boxed parts.

    COMP Cams?? offers a complete line of stock replacement 7?? valve locks for stock engine rebuilds. Recommended only for street applications with light valve spring loads. These locks are stamped and hardened for superior wear resistance. Also available now are machine 7?? locks for some applications. They offer the same valve spring location accuracy as our Super Locks??? without the need to change to 10?? retainers.

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    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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